JP2010023846A - Bag with spout - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bag with a spout which can hold self-standing properties even if a content remains in a small amount while it has a bag body with a thin thickness molded with a small amount of a raw material resin, can prevent the crushing and closing of the body from occurring, can easily be reduced in volume and easily abandoned, and excellent in useability. <P>SOLUTION: The bag with the spout comprises the body composed of a laminated film for tightly packaging the liquid content, and a spout of a plastic molded body provided at the upper end of the body and equipped with the spout for spouting the content. In this bag with the spout, the spouting part extends a shape-holding member for holding the shape of the body toward the inside of the body, and the shape-holding member is equipped with a bottom opening holding mechanism for holding expansion near the bottom of the body. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a bag with a spout comprising a main body and a spout provided with a spout, and more specifically, the pour-out portion extends a shape-retaining member that holds the main body toward the inside of the main body. In addition, the shape retaining member relates to a bag with a spout provided with a bottom openability retaining mechanism that retains expansion near the bottom of the main body.

  2. Description of the Related Art Conventionally, a bag for sealing and packaging liquid contents such as liquid detergent and shampoo, for example, has a spout with a lid sandwiched between two sides of a marginal portion, and formed in a cross-shaped cross section inside the bag. A bag for inserting a blockage prevention portion comprising a plurality of ribs, wherein at least the side of the rib of the blockage prevention portion that contacts the inner surface of the bag is formed in a tapered shape so as to become finer toward the tip, There exists what made insertion of the obstruction | occlusion prevention part easy in (for example, patent document 1). In addition, a linear rib for guiding the contents is provided on the inner surface of the multilayer plastic film in the vicinity of the bag outlet so that the contents jump out at a time when the contents are discharged. There is one that can be poured out little by little (for example, Patent Document 2).

JP-A-11-180463 JP-A-6-1358

However, in a bag such as the above-mentioned Patent Document 1, when the remaining amount of the contents is reduced, the bag is closed due to the contact between the front and rear side portions of the main body, which is caused by grasping both inner side surfaces of the bag main body. Although it can be prevented by the blocking prevention part, there is a problem that the main body is not self-supporting and cannot be used standing up. Moreover, in a bag like patent document 2, although a trunk | drum structure part is piled up on the bottom structure part of a bag main body and it has self-supporting property, when the remaining amount of the content decreases, a main body is grasped. There was also a problem that the contents could not be poured out smoothly due to the blockage of the device or the breakage or collapse of the middle part. On the other hand, there are pumps on the upper part of the container. For example, there are strong blow bottles that store liquids such as shampoos and rinses. In addition to the large amount of plastic used in the plastic, the cost is high, and the container cannot be easily crushed by hand, resulting in poor disposal.
Therefore, the object of the present invention is to maintain a self-supporting property and prevent the body from being crushed or blocked even when the remaining amount of the contents is small, even though the bag body is thin and molded with a small amount of raw material resin. And providing a bag with a spout having excellent usability that can be easily reduced in volume and discarded.

  For this reason, the invention according to claim 1 is a plastic molded body provided with a main body made of a laminated film for hermetically wrapping liquid contents, and a spout for pouring out the contents provided at the upper end of the main body. In the bag with a spout formed by the pouring portion, the pouring portion extends a shape retaining member that retains the shape of the main body toward the inside of the main body, and the shape retaining member is It is characterized by comprising a bottom openability holding mechanism for holding the expansion in the vicinity of the bottom.

  The invention according to claim 2 is the bag with a spout according to claim 1, wherein the pour-out portion is detachably provided on the main body via a mounting portion attached to the upper end of the main body. And

  According to a third aspect of the present invention, in the bag with a spout according to the first aspect, the shape-retaining member is at least two or more from the mounting portion, along the front and rear side portions of the main body with respect to the bottom portion of the main body. And extending vertically.

  According to a fourth aspect of the present invention, in the bag with a spout according to the first aspect, the shape retaining member holds the bottom openability of the shape retaining member located in the vicinity of the bottom of the main body. Characterized by connecting to the mechanism

  According to a fifth aspect of the present invention, in the bag with a spout according to the first aspect, the bottom opening retention mechanism is disposed between one inner surface portion and the other inner surface portion. .

  According to a sixth aspect of the present invention, in the bag with a spout according to the first aspect, the shape retaining member includes a breakage portion.

  A seventh aspect of the present invention is the bag with a spout according to the first aspect, wherein the spout portion includes a spout opening / closing means.

  The invention according to claim 8 is the bag with a spout according to claim 1, wherein the main body is self-supporting when the contents are accommodated.

  According to the first aspect of the present invention, a plastic molded body provided with a main body made of a laminated film for hermetically wrapping liquid contents and a spout for pouring the contents provided at the upper end of the main body. In a bag with a spout that consists of a spout, the spout section extends a shape-retaining member that retains the shape of the main body toward the inside of the main body, and the shape-retaining member holds the expansion near the bottom of the main body Even with a thin main body molded with a small amount of raw material resin, it can maintain its self-supporting property and prevent the main body from being crushed or blocked. can do. Therefore, the bag with a spout excellent in usability can be provided.

  According to invention of Claim 2, since the extraction | pouring part is provided with a main body through the attachment part attached to the upper end part of a main body so that attachment or detachment is possible, it can replenish the main body with a content, or can replace a main body. It is possible to reuse the main body and the dispensing part. Therefore, a bag with a spout that can be used repeatedly can be provided.

  According to the invention described in claim 3, since the shape retaining member extends at least two or more from the mounting portion in the vertical direction along both the front and rear surfaces of the main body with respect to the front of the bottom of the main body, When holding (clamping) with a hand, the shape retaining member efficiently supports the pressure applied to the inside of the main body from the outside of the main body at a predetermined position inside the main body. The contents can be smoothly poured out by preventing contact and blocking the main body. Therefore, the bag with a spout excellent in usability can be provided.

  According to the fourth aspect of the present invention, the shape retaining member connects the bottom end vicinity of the shape retaining member located near the bottom of the main body to the bottom openability retaining mechanism, so that the strength of the shape retaining member is increased. Along with the front and rear both sides of the main body, the shape-retaining member efficiently supports the pressure applied from the outside of the main body to the inside of the main body at the fixed position inside the main body, and prevents the front and rear both sides of the main body from touching. By preventing the bag from being blocked, the contents can be smoothly poured out. Therefore, the bag with a spout excellent in usability can be provided.

  According to the fifth aspect of the present invention, the bottom openability holding mechanism is disposed between the one inner surface portion and the other inner surface portion. The main body 2 can be reliably expanded in the bulging direction side so that the main body can be stably supported. Therefore, the bag with a spout excellent in usability can be provided.

  According to the invention described in claim 6, since the shape-retaining member includes the breakage portion, the shape-retaining member can be easily folded when the main body is discarded to reduce the volume of the main body. Therefore, it is possible to provide a bag with a spout that can be easily reduced in volume when the main body is discarded.

  According to the invention described in claim 7, since the pouring part is provided with the opening and closing means of the pouring outlet, it is possible to prevent dirt and breakage of the pouring outlet or intrusion of foreign matters from the pouring outlet into the main body, A cap or the like as an opening / closing means can be used as a measuring instrument when the contents are poured out. Therefore, the bag with a spout excellent in usability can be provided.

  According to the invention described in claim 8, since the main body is self-supporting when the contents are accommodated, when the bag with the spout is placed on a stand or the like, a large amount of contents are accommodated in the main body. In addition to the shape of the bottom portion of the main body having normal self-supporting property, the main body can be more stably erected by the bottom opening holding mechanism. Moreover, even when the remaining amount of contents in the main body is small, the bottom opening property holding mechanism can prevent the main body from falling. Therefore, the bag with a spout excellent in usability can be provided.

The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 is an overall perspective view of a bag with a spout showing an embodiment of the present invention, FIG. 2 is a structural diagram of the bag with a spout showing a shape retaining member and a bottom opening holding mechanism, and FIG. FIG. 4 is a perspective view of the main body schematically showing the installation of the bottom opening holding mechanism, and FIG. 4 shows another embodiment of the shape holding member and the bottom opening holding mechanism showing that the four shape holding members are provided in the mounting portion. FIG. 5 is a perspective view of a shape-retaining member and a bottom opening holding mechanism showing a shape-retaining member having a breakage portion, and shows a connection portion between the shape-retaining member and the mounting portion with a reduced ground contact area of the connection portion. It is an enlarged front view (a) and the enlarged front view (b) of the connection part of the shape-retaining member which provided the cut line in the connection part, and an attachment part.

  As shown in FIGS. 1 and 2, the bag 1 with a spout of the present invention is sandwiched between a main body 2 for hermetically wrapping liquids such as liquid detergent, shampoo, and rinse, and an upper end portion of the main body 2. It comprises a dispensing part 4 attached via an attachment part 3.

  First, the main body 2 is, for example, a bag made in a stand-pouch type, and includes a front surface portion 2a and a rear surface portion 2b composed of two laminated films stacked in front and rear, and the bottom portion is a lower portion of the front and rear laminated films. In between, the bottom film is folded inward and inserted, and the inside is heat-sealed by a bottom-shaped bottom seal portion 2c that is concave in a curved line shape from both sides to the center. And the trunk | drum is heat-sealed by the side part seal part 2d on the both-sides edge part of the front-back laminated | multilayer film.

  As this laminated film, a laminated film mainly composed of plastic and a laminated film having a sealant layer laminated on the innermost layer is used, but there is no particular limitation, and the contents to be filled and after filling the contents Depending on the use conditions such as the presence or absence of the heat treatment, laminated films having various configurations can be used.

  As an example of the configuration, it can be configured by laminating a sealant layer on the base film layer, but depending on the required performance, water vapor and others can be used as an intermediate layer between the base film layer and the sealant layer. The gas barrier layer, the light shielding layer, the strength improving layer, and the like can be laminated. The base film layer, the intermediate layer, and the sealant layer may each be formed as a single layer, or may be formed by laminating a plurality of layers.

  The base film layer includes a biaxially stretched polypropylene film, a biaxially stretched polyester film such as a biaxially stretched polyethylene terephthalate film and a biaxially stretched polyethylene naphthalate film, nylon 6, nylon 66, and polymetaxylylene adipa. A biaxially stretched polyamide film such as mid can be suitably used. Moreover, these may be used independently and can also be used by laminating | stacking combining two or more.

  When the intermediate layer is a gas barrier layer, the intermediate layer is deposited with a film of saponified ethylene / vinyl acetate copolymer, polyvinylidene chloride, polyacrylonitrile, aluminum foil, or silica, alumina, aluminum, etc. A biaxially stretched nylon film, a biaxially stretched polyethylene terephthalate film, a biaxially stretched polypropylene film or the like provided with a layer or a coating layer of PVDC can be used. Of these, a film provided with an aluminum foil or an aluminum vapor deposition layer is opaque and can also serve as a light shielding layer.

  Moreover, when making an intermediate | middle layer into a strength improvement layer, either of the said base film may be additionally laminated | stacked suitably, and a biaxial stretching high density polyethylene film etc. can also be laminated | stacked also as a moisture-proof layer.

  For the lamination of the base film layer and the intermediate layer, a known technique such as a dry lamination method or an extrusion lamination method can be used.

  In addition to the low-density polyethylene and linear low-density polyethylene, the innermost sealant layer includes ethylene / α-olefin copolymer, ethylene / vinyl acetate copolymer, ethylene / acrylic acid copolymer, ethylene / acrylic. An acid ester copolymer, polypropylene, or a copolymer thereof can be used.

  Lamination of the sealant layer can be performed by forming the above resin into a film and laminating by dry lamination method or extrusion lamination method, or by laminating the above resin by extrusion coating, etc. When the content easily penetrates into the sealant layer, it is preferable to laminate by a dry lamination method.

  Next, the attachment portion 3 is, for example, a cylindrical shape having a hollow portion serving as a liquid passage, and when the upper end portion of the laminated film of the main body 2 is heat sealed, The adhesive base of the lower part of the attachment part 3 is attached to the sealant layer of the laminated film by thermal bonding. A spiral portion 3 a is provided on the outer periphery of the upper portion of the attachment portion 3.

  Furthermore, the extraction part 4 is attached to the attachment part 3. The lower portion of the extraction portion 4 has, for example, a cylindrical shape having an inner diameter that allows the attachment portion 3 to be covered and a hollow portion that communicates with the hollow portion of the attachment portion 3. By providing this spiral portion and screwing the spiral portion with the spiral portion 3a of the attachment portion 3, the extraction portion 4 can be detachably attached to the attachment portion 3.

  An upper portion of the extraction portion 4 is provided with an outlet 5 that protrudes upward from the vicinity of the center and communicates with the hollow portion of the extraction portion 4 and the hollow portion of the attachment portion 3. In addition, the shape of these attaching part 3 and the extraction | pouring part 4 is not limited to a cylindrical shape, You may have suitably shapes, such as a triangle, a quadrangle | tetragon, and a polygon.

  Furthermore, an opening / closing means 6 such as a cap having an appropriate shape such as a translucent dome that covers the spout 5 is provided on the top surface of the spout 4. The opening / closing means 6 is, for example, the upper surface of the pouring part 4, and a spiral part (not shown) provided so as to dig around the spout 5, and is not shown provided on the inner periphery of the bottom of the opening / closing means. The opening / closing means 6 can be detachably provided to the dispensing portion 4 by screwing the spiral portion. With such a configuration, the spout 5 can be prevented from being soiled or damaged, or foreign matter can be prevented from entering the main body 2 from the spout 5, and a cap or the like as the opening / closing means 6 can be used for weighing the contents. Can be used.

  In addition, the attachment method of the extraction | pouring part 4 with respect to the attachment part 3, and the attachment method of the opening-and-closing means 6 with respect to the extraction | pouring part 4 are not limited to the screwing as mentioned above, Using fitting methods, such as an appropriate method, They can be removably attached at any part. The opening / closing means 6 is preferably translucent so that the spout 5 can be seen from the outside, but is not particularly limited, and may be transparent or colored.

  Further, the mounting portion 3, the pouring portion 4, the pouring port 5, and the opening / closing means 6 can be easily manufactured by plastic injection molding. In particular, the material of the mounting portion 3 is preferably a polyolefin resin such as polyethylene, polypropylene, or a copolymer thereof that can be thermally bonded to the sealant layer as a whole or at least the outer peripheral surface of the adhesive base. The material of the pouring portion, the pouring port, and the opening / closing means may be the same as the material of the mounting portion 3. When the contents are sealed and packaged on the main body 2, a virgin seal or the like can be provided on the upper surface of the attachment portion 3 by a known method.

  Next, specific configurations of the shape retaining member and the bottom opening retention mechanism of the present invention will be described. First, as shown in FIGS. 2 to 3, the bottom portion of the attachment portion 3, and the front and rear positions of the attachment portion 3 (positions near the center of the front surface portion 2 a and the rear surface portion 2 b of the main body 2, when the contents are accommodated) The front and rear double-sided portions 2a and 2b extend in the front-rear direction along the inside of the front and rear double-sided portions 2a and 2b of the main body 2 in the direction perpendicular to the bottom of the main body 2 (vertical direction). For example, two shape-retaining members 6 are extended. Therefore, the front and rear double-sided portions 2a and 2b of the main body 2 can be in a state of being expanded in the front-rear direction with a width substantially equal to the outer diameter of the attachment portion 3.

  These two shape-retaining members 6 preferably have a front width (rib 6a) of about 3 to 5 mm and a side width of about 10 mm (not limited), and the lower end portion is located at a height near the bottom of the main body 2. In addition, the upper end portion is connected to the attachment portion 3 by integral molding with an appropriate interval so that the front and rear shape retaining members 6 do not contact each other across the hollow portion of the attachment portion 3.

  Further, it is preferable that ribs 6a contacting the inner side of the front surface portion 2a and the inner surface of the rear surface portion 2b of the shape retaining member 6 are attached to the inner surface of the front surface portion 2a and the inner surface of the rear surface portion 2b by adhesion or heat welding, respectively. The rib 6a is positioned in the main body 2 so that the main body 2 can be reliably held in shape. In addition, while the upper end part of the shape-retaining member 6 is connected to the attachment part 3 fixed to the main body 2, the lower end part of the shape-retaining member 6 is connected to the bottom opening property holding mechanism 7 to be described later. Since the member 6 is stably supported, the main body 2 can be retained without the ribs 6a being attached to the inside of the front surface portion 2a and the inside of the rear surface portion 2b as described above.

  Further, the shape retaining member 6 is connected to the vicinity of the lower end portions of the front and rear shape retaining members 6 between the front surface portion 2a and the rear surface portion 2b of the main body 2 along the bottom portion of the main body 2 by integral molding. The provided bottom opening holding mechanism 7 is provided. Therefore, the front end portion and the rear end portion of the bottom opening holding mechanism 7 expand and hold the front surface portion 2a and the rear surface portion 2b of the bottom portion of the main body 2 on the bulging direction side of the main body 2 when the contents are accommodated. It is supposed to be configured. The bottom opening holding mechanism 7 can have the same front width and side width as the shape retaining member 6.

  The shape retaining member 6 and the bottom opening retention mechanism 7 are installed in the main body 2 together with the mounting portion 3 in the step of mounting the mounting portion 3 to the main body 2 described above. Further, the shape retaining member 6 and the bottom opening retaining mechanism 7 are integrated with the mounting portion 3 by using the same material as that of the mounting portion 3, the pouring portion 4, the pouring port 5, and the opening / closing means 6 described above. Can be molded.

  With the configuration as described above, when the bag 1 with a spout when a large amount of content is stored in the main body 2 is placed on a stand or the like, the main body 2 having normal self-supporting property with the above-mentioned content amount can be obtained. In addition to the shape of the bottom part, the bottom part of the main body 2 is surely expanded to the bulging direction side of the main body 2 when the contents are accommodated by the bottom opening holding mechanism 7, so that the bag 1 with the spout can be more stably Can stand.

  Further, when the remaining amount of the contents in the main body 2 decreases, the shape retaining member 6 causes the front portion 2a and the rear portion to be rearward even if the main body 2 is gripped (held) by the front surface portion 2a and the rear surface portion 2b. Since the surface part 2b does not contact, the main body 2 is not crushed, the main body 2 is prevented from being blocked, and the contents can be smoothly poured out.

  Further, even when the remaining amount of the contents in the main body 2 is reduced as described above, the bottom opening holding mechanism 7 reliably expands the bottom of the main body 2 toward the bulging direction side of the main body 2 when the contents are accommodated. Since it opens and the bottom part area of the main body 2 is widened, the standing posture of the spout-equipped bag 1 can be maintained without falling down due to the stability of the bottom part.

  And since the extraction | pouring part 4 is provided with attachment or detachment with respect to the attachment part 3, by replacing | exchanging the main body 2 in the bag 1 with a spout, the extraction | pouring part 4 can be used repeatedly, It can be set as the bag 1 with a spout which is economical and excellent in usability.

  Further, three or more shape retaining members 6 may be provided as long as they extend from the front and rear positions of the bottom of the attachment portion 3. In this case, for example, as shown in FIG. 4, the two shape retaining members 6 can be extended from the front and rear positions of the attachment portion 3 in the same manner as described above. At this time, the bottom openability retaining mechanism 7 connects the bottom ends of the front and rear shape retaining members 6 to the respective shape retaining members 6 positioned in the left-right direction, so that the bottom openability retaining mechanism 7 is connected to the bottom portion of the main body 2. It is good also as a structure arranged in parallel in the left-right direction. Two or more shape-retaining members 6 can be installed in an appropriate number as long as the front and rear positions of the bottom of the attachment portion 3, and the number of bottom-opening retaining mechanisms 7 is also appropriately determined according to the number of the shape-retaining members 6 installed. Can be installed at.

  In the bag 1 with a spout of the present invention, the shape retaining member 6 is provided with a broken portion 8 in order to reduce the volume of the main body 2 when the main body 2 is discarded. In this case, for example, as shown in FIG. 5, first, as the broken portion 8 provided at the connection portion between the attachment portion 3 and the shape retaining member 6, as shown in FIG. The connection area 8a connected to the shape-retaining member 6 is reduced, or both the attachment portion 3 and the shape-retaining member 6 are provided with a broken line 8b as shown in FIG. It is set as the structure which connects.

  Further, although not shown in the drawings, the broken portion 8 provided in the shape retaining member 6 has a plurality of horizontal cut lines around the shape retaining member 6 at an appropriate interval in the height direction with respect to the bottom of the main body 2. A plurality of penetrating portions 8c such as a plurality of quadrilaterals are penetratingly provided at appropriate intervals in the height direction on the side surface portion of the shape retaining member 6 shown in FIG.

  With such a configuration, when the contents of the main body 2 are poured out and the main body 2 is discarded because the remaining amount of the contents in the main body 2 is exhausted, after removing the extraction portion 4 from the main body 2, When the main body 2 is folded, the breakage portion 8 (such as a connection portion or a broken line 8b having a small connection area 8a) provided at the connection portion between the attachment portion 3 and the shape retention member 6 is folded and provided on the shape retention member 6. Since the broken part 8 (break line or penetrating part 8c or the like) is broken, the volume of the main body 2 can be easily reduced.

  In addition, the breakage method of the breakage part 8 provided in the connection part of the attachment part 3 and the shape-retaining member 6 is not limited to the above, and arbitrary methods can be used. Moreover, although the broken line of the broken part 8 of the shape-retaining member 6 is not shown in addition to the above, spiral broken lines may be provided at equal intervals in the height direction. When discarding by twisting, the shape-retaining member 6 can be easily bent in the twisting direction, and the same effect as described above can be obtained. Furthermore, the shape of the penetrating part 8c of the broken part 8 is not limited to a quadrangle, and can be set as appropriate, such as a circle, a triangle, or a polygon.

  FIG. 6 is a structural diagram of a bag with a spout showing one example of another embodiment of the shape retaining member. As shown in FIG. 6, each shape retaining member 6 ′ is provided with a disk portion 6 b in the horizontal direction in the middle in the height direction, and as a broken portion 8 of each shape retaining member 6 ′, a penetrating portion 8 d. Can be provided in a circular shape. With this configuration, the same effects as described above can be obtained, and the shape retaining members 6 ′ can be connected to the inside of the front surface 2 a and the back surface 2 b of the main body 2 by the disk portions 6 b of the shape retaining members 6 ′. Since the contact area is increased, the shape of the main body 2 can be further ensured, the main body 2 is not crushed, the main body 2 is prevented from being blocked, and the contents can be smoothly poured out. Note that the reference numerals in FIG. 6 correspond to the reference numerals in FIGS. In addition, by providing these through-holes 8c and 8d as the broken portion 8, there is an effect that the weight of the shape-retaining members 6 and 6 ′ and the material used can be reduced.

  Further, in addition to the broken portion 8 of the shape retaining member 6 described above, the bottom openability retaining mechanism 7 is also provided with a broken portion such as one or more broken lines at equal intervals in the front-rear direction of the bottom openability retaining mechanism 7. In this case, the same effect as described above can be obtained.

It is a whole perspective view of the bag with a spout which shows one example of the present invention. It is a structural diagram of a bag with a spout showing a shape-retaining member and a bottom opening retention mechanism. It is a perspective view of a main part showing typically installation of a shape-retaining member and a bottom openability retention mechanism. As another example, it is a perspective view of a shape retaining member and a bottom opening retention mechanism showing that four shape retaining members are provided in the mounting portion. It is a perspective view of a shape-retaining member and a bottom openability retaining mechanism showing a shape-retaining member provided with a broken portion, and is an enlarged front view of a connecting portion between the shape-retaining member and the mounting portion with a reduced connection area of the connecting portion (a) It is an enlarged front view (b) of the connection part of the shape-retaining member provided with a broken line in the connection part and the attachment part. It is a block diagram of the bag with a spout which shows one of the other examples of a shape-retaining member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Food container 2 Main body 2a Front surface part 2b Rear surface part 3 Attachment part 3a Spiral part 4 Outlet part 5 Outlet 6, 6 'Shape retention member 6a Rib 6b Disk part 7 Bottom opening holding mechanism 8 Breaking part 8a Connection area 8b Broken line 8c, 8d Penetration part

Claims (8)

A main body made of a laminated film for hermetically wrapping liquid contents;
An extraction part of a plastic molded body provided at an upper end part of the main body and provided with an outlet for extracting the contents;
In a bag with a spout consisting of
The pouring portion extends a shape-retaining member that retains the shape of the main body toward the inside of the main body, and the shape-retaining member retains the opening of the bottom portion of the main body. A bag with a spout characterized by comprising.   The bag with a spout according to claim 1, wherein the pour-out portion is detachably provided on the main body via an attachment portion attached to an upper end portion of the main body.   2. The note according to claim 1, wherein the shape-retaining member extends at least two or more from the attachment portion in a vertical direction along the front and rear double-side portions of the main body with respect to the bottom front surface of the main body. Bag with exit.   2. The bag with a spout according to claim 1, wherein the shape retaining member connects a bottom end vicinity of the shape retaining member located near the bottom of the main body to the bottom opening holding mechanism.   The bag with a spout according to claim 1, wherein the bottom opening holding mechanism is arranged between one inner surface portion and the other inner surface portion.   The bag with a spout according to claim 1, wherein the shape-retaining member includes a broken portion.   The bag with a spout according to claim 1, wherein the spout part includes an opening / closing means for the spout.   The bag with a spout according to claim 1, wherein the main body is self-supporting when the contents are accommodated.

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